#include <stdio.h>
int main()
{
	const int FREEZING=0;
	float temperature;
	int cold_days=0;
	int all_days=0;

	printf("Enter the list of daily low temperatures.\n");
	printf("Use Celsius,and enter q to quit.\n");
	while(scanf("%f",&temperature)==1)
{
	all_days++;
	if(temperature<FREEZING)
	cold_days++;
}
	if(all_days!=0)
	printf("%d day total: %.lf%% were below freezing.\n",all_days,100.0*(float) cold_days/all_days);
	if(all_days==0)
	printf("No data entered!\n");

	return 0;
}
